body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.sticky-header {
    position: sticky;
    top: 0;
    background-color: #333;
    color: #fff;
    padding: 20px;
    z-index: 100;
}

.sticky-header h1 {
    margin: 0;
}

.content {
    padding: 20px;
}

/* Adding more content to ensure scrolling */
.long-content {
    height: 2000px;
    background: linear-gradient(to bottom, #f1f1f1, #ddd);
    padding: 20px;
    margin-top: 20px;
}